/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2001, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package com.sun.org.apache.xerces.internal.impl.xs.opti;
import org.w3c.dom.DOMException;
import org.w3c.dom.Node;
/*
* @author Neil Graham, IBM
* @version $Id: TextImpl.java,v 1.2 2003/07/04 13:47:49 mrglavas Exp $
*/
public class TextImpl extends DefaultText {
// Data
String fData = null;
SchemaDOM fSchemaDOM = null;
int fRow;
int fCol;
public TextImpl(StringBuffer str, SchemaDOM sDOM, int row, int col) {
fData = str.toString();
fSchemaDOM = sDOM;
fRow = row;
fCol = col;
rawname = prefix = localpart = uri = null;
nodeType = Node.TEXT_NODE;
}
//
// org.w3c.dom.Node methods
//
public Node getParentNode() {
return fSchemaDOM.relations[fRow][0];
}
public Node getPreviousSibling() {
if (fCol == 1) {
return null;
}
return fSchemaDOM.relations[fRow][fCol-1];
}
public Node getNextSibling() {
if (fCol == fSchemaDOM.relations[fRow].length-1) {
return null;
}
return fSchemaDOM.relations[fRow][fCol+1];
}
// CharacterData methods
/**
* The character data of the node that implements this interface. The DOM
* implementation may not put arbitrary limits on the amount of data
* that may be stored in a <code>CharacterData</code> node. However,
* implementation limits may mean that the entirety of a node's data may
* not fit into a single <code>DOMString</code>. In such cases, the user
* may call <code>substringData</code> to retrieve the data in
* appropriately sized pieces.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
* @exception DOMException
* DOMSTRING_SIZE_ERR: Raised when it would return more characters than
* fit in a <code>DOMString</code> variable on the implementation
* platform.
*/
public String getData()
throws DOMException {
return fData;
}
/**
* The number of 16-bit units that are available through <code>data</code>
* and the <code>substringData</code> method below. This may have the
* value zero, i.e., <code>CharacterData</code> nodes may be empty.
*/
public int getLength() {
if(fData == null) return 0;
return fData.length();
}
/**
* Extracts a range of data from the node.
* @param offset Start offset of substring to extract.
* @param count The number of 16-bit units to extract.
* @return The specified substring. If the sum of <code>offset</code> and
* <code>count</code> exceeds the <code>length</code>, then all 16-bit
* units to the end of the data are returned.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if the specified <code>offset</code> is
* negative or greater than the number of 16-bit units in
* <code>data</code>, or if the specified <code>count</code> is
* negative.
* <br>DOMSTRING_SIZE_ERR: Raised if the specified range of text does
* not fit into a <code>DOMString</code>.
*/
public String substringData(int offset,
int count)
throws DOMException {
if(fData == null) return null;
if(count < 0 || offset < 0 || offset > fData.length())
throw new DOMException(DOMException.INDEX_SIZE_ERR, "parameter error");
if(offset+count >= fData.length())
return fData.substring(offset);
return fData.substring(offset, offset+count);
}
}
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